Hybrid Race Vehicle

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Old 08-29-10, 10:31 AM
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Hybrid Race Vehicle

There is a Porsche hybrid entry in the Petit LeMans race at Road Atlanta. This one is quite elaborate. It has no batteries. Instead it has two DC motors on the front wheels that act as generators under braking. The power is sent to another electric motor that spins a flywheel in a vacuum. After braking when it's time to reaccelerate, the motor that spun the flywheel then becomes a generator and powers the two motors that are attached to the front axle. The car gets a 6 second extra power burst with this system. The rear of the car holds the usual Porsche flat six engine that powers the rear wheels. This vehicle nearly won a 24 hour race in Europe last month but broke down. The standard gasoline engine failed due to a broken header that ruins valves.

The Petit LeMans race is in October.
 
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Old 08-29-10, 12:09 PM
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I got lots to understand about the actual mechanisms behind regenerative breaking.
 
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Old 08-29-10, 12:55 PM
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Here is a little more description of it.

Petit Le Mans
 
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Old 09-07-10, 10:11 PM
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consumer model

I wonder if porsche has any plans for creating a consumer hybrid based on this car...sexier than owning a Prius
Originally Posted by LawrenceC View Post
Here is a little more description of it.

Petit Le Mans
 
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Old 09-08-10, 10:35 AM
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hybrid porsche

I would give my right [fill in the blank] to test drive that porsche....would love to see a consumer version.
 
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Old 09-08-10, 11:43 AM
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That would a neat car to drive.

Another is the Porsche twin turbo SUV with a 180 mph top speed, quieter than a Mercedes in town and as good as a Rover off road. This is the powered by a small VW V8 and is probable the only way to get the VW V8 in the U.S., unless you spend $2,000,000 for a Bugatti (owned by VW/Porsche) with 2 side by side small VW V8s (really a W16) that has 4 turbos. Top speed is 260 mph and it is super plush with walnut and leather and a automatic spoiler that is deployed according to match the needs at the current speed.

The Europeans love to race any thing on wheels. About 20 years ago, I went to a truck race in Germany and expected to see pick-ups but saw big Volvo, Mann, Mercedes, and Kenworth semi tractors.

They are great innovators. For about 3 years the Audi team ruled the endurance road racing, usually finishing 1-2-3. Since they got bored, they tossed the old winning gas engine cars and built a new car for the teams that was diesel powered and the Corvettes and Porsches are still chasing them.

It is fascinating to see what they are doing to improve and develop.
 
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Old 09-08-10, 12:11 PM
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Corvette, Ferrari, and Porsche are in the GT class which is a different class than the Audi diesels. In LeMans Series road racing they generally have several classes mixed to add to the general havoc. The Audi diesel ruled but lost to the Peugeot diesel at Petit LeMans 2009, LeMans 2010, and we'll see what happens in October at Petit LeMans. Peugeot should have won it in 2008 but blundered in the pits. The diesels run Road Atlanta laps at 1:06. The Corvettes, Porsches, and Ferraris are in the low 1:20 (minute,second) range. The GT cars (C,P,F) only hit about 165 on back straight at Road Atlanta. The diesels hit nearly 200 there. The diesels have far more down force than the GT cars have so they can go around turns faster plus easily out accelerate the GT cars. There is (are) other classes that will participate there and their speed falls between the diesels and the GT class.

P's, C's, and F's will always chase them unless the diesels crash or retire due to mechanical failure. Different animal altogether.
 
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